INSTRUCTION MANUAL
RT-ZD002 / RT-ZD003
25 MHz Active Differential Probes
RT-ZD002 (1337.9700.02)
RT-ZD003 (1337.9800.02)
These probes are in compliance with IEC-61010-031 CAT III, Pollution Degree 2
Safety Symbols
1. Safety Terms and Symbols
Terms appear in this manual:
___________________________________________________
WARNING. Warning statements identify conditions or practice that
could result in injury or loss of life.
___________________________________________________
CAUTION. Caution statements identify conditions or practice that
could result in damage to this product or other property.
Connect to safety earth ground using the wire recommended in
the user’s manual.
High voltage danger
The symbol on an instrument indicates that the user should refer
to the operating instructions located in the manual.
2. General Safety Summary
Review the following safety precautions to avoid injury and prevent damage to this probe
or any products connected to it.
Observe Maximum Working Voltage
To avoid any injury, do not use the probe under the condition that the voltage between
both input leads and earth is above 1000 Vrms CAT III. This voltage rating applies to
both probes and both settings 1/10 & 1/100 (RT-ZD002) and 1/20 & 1/200 (RT-ZD003).
Must be Grounded
This probe is grounded with the shell of BNC connector and an auxiliary grounding
terminal, through the grounding conductor of the power cord of the measurement
instrument. Before making connections to the input leads of this probe, ensure that the
output BNC connector is attached to the BNC connector of the measurement instrument
and the measurement instrument is properly grounded.
Do Not Operate Without Covers
To avoid electric shock or fire hazard, do not operate this probe with covers removed.
Do Not Operate in Wet/Damp Conditions
To avoid electric shock, do not operate this probe in wet or damp conditions.
Do Not Operate in Explosive Atmosphere
To avoid injury or fire hazard, do not operate this probe in an explosive atmosphere.
Avoid Exposed Circuit
To avoid injury, remove jewelry such as rings, watches, and other metallic objects. Do not
touch exposed connections and components when power is present.
Use Proper Power Source
To ensure the function of the probe, use four AA cells or the supplied USB power cord.
Do not operate this probe from a power source that applies more than the voltage
specified.
Do Not Operated With Suspected Failures
If you suspect there is damage to this probe, have it inspected by qualified service
personnel.
3. Description
By enabling conventional oscilloscopes to display and measure in-circuit waveforms that
are referenced to high common mode voltages, the differential probe extends the
measurement capability of oscilloscopes in electronic power converters, inverters, motor
speed controls, switch mode power supplies, and many applications.
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